#include <iostream>
#include <unordered_map>
#include <functional>
#include <cstring>

using namespace std;
typedef const char * data;

struct eqstr {
    bool operator()(data s1, data s2) const
    { return strcmp(s1, s2) == 0;}
};

int main()
{
    cout << "Hello World!" << endl;


    return 0;
}
